Built two product lines of metal powder and aluminum alloy additive, metal additive, grain refiner.
建立了金属粉末和铝熔铸业用熔剂、金属添加剂、细化剂两套生产线。
The influences of the filler metal powder on the laser power density threshold value, weld formation and process stability were studied during CO_2 laser welding of aluminum alloy.
研究了填充合金粉对CO_2激光焊接功率阈值、焊缝成形和焊接过程稳定性的影响。
The results show that: the specimens with metal silicon or aluminum powder become denser because the plastic metal powder contributes to filling the space.
结果表明：在纯碳化硅材料中分别加入硅、铝粉之后，由于金属的延展性，在成型过程中有利的填充了碳化硅颗粒间的空隙，使得干坯更加致密。
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